Circular Dichroism Archives

Interaction of water-soluble amino acid Schiff base complexes with bovine serum albumin: Fluorescence and circular dichroism studies

2008 / Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Fluorescence spectroscopy in combination with circular dichroism (CD) spectroscopy were used to investigate the interaction of water-soluble amino acid Schiff… Continue reading Interaction of water-soluble amino acid Schiff base complexes with bovine serum albumin: Fluorescence and circular dichroism studies

Simultaneous determination of optical and chemical purities of a drug with two chiral centers by liquid chromatography-circular dichroism detection on a non-chiral stationary phase

2008 / Journal of Chromatography A

The need for a rapid and cheap chromatographic technique for the simultaneous determination of diastereoisomeric and chemical purities of a… Continue reading Simultaneous determination of optical and chemical purities of a drug with two chiral centers by liquid chromatography-circular dichroism detection on a non-chiral stationary phase

The association of Na,K-ATPase subunits studied by circular dichroism, surface tension and dilatational elasticity

2008 / Journal of Colloid and Interface Science

Different stoichiometries are observed between α and β subunits of Na,K-ATPase that depend on the method employed to solubilize and purify the enzyme. It… Continue reading The association of Na,K-ATPase subunits studied by circular dichroism, surface tension and dilatational elasticity

The structure analysis of Humanin analog, AGA-(C8R)HNG17, by circular dichroism and sedimentation equilibrium: Comparison with the parent molecule

2008 / International Journal of Biological Macromolecules

A 24-amino acid peptide, Humanin (HN), is a novel peptide that protects neuronal cells in vitro and in vivo from… Continue reading The structure analysis of Humanin analog, AGA-(C8R)HNG17, by circular dichroism and sedimentation equilibrium: Comparison with the parent molecule

Infrared and circular dichroism spectroscopic characterisation of secondary structure components of a water treatment coagulant protein extracted from Moringa oleifera seeds

2008 / Colloids and Surfaces B: Biointerfaces

The secondary structure of a water treatment coagulant protein extracted from Moringa oleifera (MO) seeds has been investigated by Fourier transform infrared… Continue reading Infrared and circular dichroism spectroscopic characterisation of secondary structure components of a water treatment coagulant protein extracted from Moringa oleifera seeds

Characterization of Cu2+-binding modes in the prion protein by visible circular dichroism and multivariate curve resolution

2008 / Analytical Biochemistry

Visible circular dichroism (CD) spectra from the copper(II) titration of the metal-binding region of the prion protein, residues 57–98, were… Continue reading Characterization of Cu2+-binding modes in the prion protein by visible circular dichroism and multivariate curve resolution

Site-directed circular dichroism of proteins: 1 Lb bands of Trp resolve position-specific features in tear lipocalin

2008 / Analytical Biochemistry

The absorption spectra of N-acetyl-l-tryptophanamide in various solvents were resolved into the sums of the 1La and 1Lb components. The relative intensities of the 0–0… Continue reading Site-directed circular dichroism of proteins: 1 Lb bands of Trp resolve position-specific features in tear lipocalin

Determination of the absolute configurations of chiral organometallic complexes via density functional theory calculations of their vibrational circular dichroism spectra: The chiral chromium tricarbonyl complex of N-pivaloyl-tetrahydroquinoline

2008 / Inorganica Chimica Acta

The racemate of the chiral tricarbonyl-η6-arene-chromium(0) complex, tricarbonyl-η6-N-pivaloyl-tetrahydroquinoline-chromium(0), 1, has been synthesized and resolved using chromatography on a (R,R)-Whelk-O1 column. The… Continue reading Determination of the absolute configurations of chiral organometallic complexes via density functional theory calculations of their vibrational circular dichroism spectra: The chiral chromium tricarbonyl complex of N-pivaloyl-tetrahydroquinoline

Electronic structures of azulene-fused porphyrins as seen by magnetic circular dichroism and TD-DFT calculations

2008 / Journal of Inorganic Biochemistry

A combination of magnetic circular dichroism (MCD), electronic absorption spectroscopy and time-dependent density functional theory (TD-DFT) calculations has been used… Continue reading Electronic structures of azulene-fused porphyrins as seen by magnetic circular dichroism and TD-DFT calculations

Water soluble molybdenocene complexes: Synthesis, cytotoxic activity and binding studies to ubiquitin by fluorescence spectroscopy, circular dichroism and molecular modeling

2014 / Journal of Inorganic Biochemistry

Four new molybdenocene complexes, Cp2Mo(l-ascorbato), Cp2Mo(6-O-palmitoyl-l-ascorbato), [Cp2Mo(ethyl maltolato)]Cl and Cp2Mo((2S)-2-amino-3-methyl-3-thiolato-butanoato), were synthesized and structurally characterized by standard analytical methods. The… Continue reading Water soluble molybdenocene complexes: Synthesis, cytotoxic activity and binding studies to ubiquitin by fluorescence spectroscopy, circular dichroism and molecular modeling

Studies on the binding of paeonol and two of its isomers to human serum albumin by using microcalorimetry and circular dichroism

2007 / Journal of Chemical Thermodynamics

Interactions of paeonol and two of its isomers with human serum albumin (HSA) in buffer solutions (pH 7.0) have been… Continue reading Studies on the binding of paeonol and two of its isomers to human serum albumin by using microcalorimetry and circular dichroism

Circular dichroism of quadruplex DNAs: Applications to structure, cation effects and ligand binding

2007 / Methods

Circular dichroism, CD, spectra can be used to gain information about quadruplex structures of DNAs as well as the effects… Continue reading Circular dichroism of quadruplex DNAs: Applications to structure, cation effects and ligand binding

Circular dichroism studies of extracellular domains of human nicotinic acetylcholine receptors provide an insight into their structure

2007 / International Journal of Biological Macromolecules

The extracellular domains (ECDs) of human nicotinic acetylcholine receptors (nAChRs) are of major pharmacological interest as drug targets in the… Continue reading Circular dichroism studies of extracellular domains of human nicotinic acetylcholine receptors provide an insight into their structure

Ag(I)-mediated homo and hetero pairs of guanosine and cytidine: Monitoring by circular dichroism spectroscopy

2014 / Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Ag(I)-containing compounds are attractive as antibacterial and antifungal agents. The renewed interest in the application of silver(I) compounds has led… Continue reading Ag(I)-mediated homo and hetero pairs of guanosine and cytidine: Monitoring by circular dichroism spectroscopy

Circular dichroism analysis of penicillin G acylase covalently immobilized on silica nanoparticles

2007 / Journal of Colloid and Interface Science

Circular dichroism (CD) was used to characterize the secondary structure of penicillin G acylase upon covalent immobilization on silica nanoparticles.… Continue reading Circular dichroism analysis of penicillin G acylase covalently immobilized on silica nanoparticles

Frequency domain magnetic resonance and magnetic circular dichroism studies on Ni4 cubane molecular nanomagnets: A magnetic anisotropy investigation

2010 / Inorganica Chimica Acta

A study of the magnetic anisotropies of three Ni cubane single-molecule magnets (SMM), [Ni(hmp)(MeOH)Cl]4·H2O (1·H2O) (hmpH = (2-hydroxymethyl)pyridine) [Ni(hmp)(dmb)Cl]4 (2) (dmb = 3,3-dimethylbutanol) and [Ni(hmp)(dmp)Cl]4 (3)… Continue reading Frequency domain magnetic resonance and magnetic circular dichroism studies on Ni4 cubane molecular nanomagnets: A magnetic anisotropy investigation

Dibenzocyclooctadiene lignans from Magnolia and Talauma (Magnoliaceae): Their absolute configuration ascertained by circular dichroism and X-ray crystallography and re-evaluation of previously published pyramidatin structures

2010 / Phytochemistry

Twelve pyramidatins, i.e., dibenzocyclooctadiene-type lignans, together with Machilin G, were isolated from the dichloromethane extracts of aerial material of Talauma gloriensis,Magnolia… Continue reading Dibenzocyclooctadiene lignans from Magnolia and Talauma (Magnoliaceae): Their absolute configuration ascertained by circular dichroism and X-ray crystallography and re-evaluation of previously published pyramidatin structures

Tocainide analogues binding to human serum albumin: A HPLAC and circular dichroism study

2010 / Journal of Pharmaceutical and Biomedical Analysis

A series of synthesised tocainide analogues were characterized for their human serum albumin (HSA) binding, using high-performance liquid affinity chromatography… Continue reading Tocainide analogues binding to human serum albumin: A HPLAC and circular dichroism study

Magnetic properties and circular dichroism of 1D chains built from chiral mononuclear and non-chiral trinuclear Cu(II) complexes with a-aminocarboxylates